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<head><meta charset="utf-8"><title>public testing · edition 2021 · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/index.html">edition 2021</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html">public testing</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/236223581" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#236223581">(Apr 26 2021 at 18:42)</a>:</h4>
<p><span class="user-mention silent" data-user-id="120518">Eric Huss</span> <a href="#narrow/stream/268952-edition-2021/topic/schedule/near/236210141">said</a>:</p>
<blockquote>
<p>Will the public test be similar to 2018 where it was temporarily stabilized? Or is the current nightly unstable gate sufficient? If there is work to do there, it might be good to track that and who will do the work.</p>
</blockquote>
<p>I wanted to break this question out into a separate topic. I had not anticipated doing that, I figured we'd advise people to test on nightly.</p>



<a name="236233027"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/236233027" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Eric Huss <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#236233027">(Apr 26 2021 at 19:52)</a>:</h4>
<p>I also think nightly would probably be sufficient. I think the only snag is that users need to add <code>cargo-features = ["edition2021"]</code> at the top of <code>Cargo.toml</code> in addition to <code>edition = "2021"</code>.  I also think that should be fine, I just wasn't sure how smooth people expect the process to be.</p>



<a name="236245583"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/236245583" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#236245583">(Apr 26 2021 at 21:15)</a>:</h4>
<p>I think that's sufficiently smooth myself</p>



<a name="236245597"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/236245597" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#236245597">(Apr 26 2021 at 21:15)</a>:</h4>
<p>as long as we document it clearly</p>



<a name="246576257"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246576257" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> rylev <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246576257">(Jul 20 2021 at 12:18)</a>:</h4>
<p>Public testing begins today! </p>
<ul>
<li><span class="user-mention" data-user-id="116009">@nikomatsakis</span> will you be working with <span class="user-mention" data-user-id="116122">@simulacrum</span> on ensuring the blog post is merged and the Tweet goes out?</li>
<li>We still have a few documentation PRs that we might want to merge before testing goes live.</li>
</ul>



<a name="246604235"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246604235" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246604235">(Jul 20 2021 at 15:09)</a>:</h4>
<p>That's the plan</p>



<a name="246604521"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246604521" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Eric Huss <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246604521">(Jul 20 2021 at 15:11)</a>:</h4>
<p><span class="user-mention" data-user-id="224872">@rylev</span> FYI, the docs go through a publishing process on rust-lang/rust, so it has to go through the bors queue.  I can update it today, but it can take a while to actually publish.</p>



<a name="246607809"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246607809" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246607809">(Jul 20 2021 at 15:34)</a>:</h4>
<p><span class="user-mention" data-user-id="116122">@simulacrum</span> ping regarding the blog post PR :)</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246607851" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246607851">(Jul 20 2021 at 15:35)</a>:</h4>
<p>hm, we mentioned doc PRs -- are we blocking on those?</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246607860" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246607860">(Jul 20 2021 at 15:35)</a>:</h4>
<p>that's what I was waiting for</p>



<a name="246607903"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246607903" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246607903">(Jul 20 2021 at 15:35)</a>:</h4>
<p>(those will take a nightly publish to actually go live after bors merge, too)</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246607913" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246607913">(Jul 20 2021 at 15:35)</a>:</h4>
<p>Let me take a look</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246607962" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246607962">(Jul 20 2021 at 15:35)</a>:</h4>
<p>Yeah, ok, I guess we might as well, I can alter the date to tomorrow</p>



<a name="246607987"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246607987" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246607987">(Jul 20 2021 at 15:36)</a>:</h4>
<p>at least <span class="user-mention" data-user-id="120518">@Eric Huss</span>'s work on the transitioning chapter would be good to have</p>



<a name="246608160"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246608160" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246608160">(Jul 20 2021 at 15:36)</a>:</h4>
<p>(those updates look great, Eric)</p>



<a name="246608189"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246608189" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Eric Huss <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246608189">(Jul 20 2021 at 15:37)</a>:</h4>
<p>Is Mara taking a break?  I can merge <a href="https://github.com/rust-lang/edition-guide/pull/258">https://github.com/rust-lang/edition-guide/pull/258</a> if she's not around and nobody else wants to take a look.</p>



<a name="246608213"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246608213" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246608213">(Jul 20 2021 at 15:37)</a>:</h4>
<p>I'm reading quickly now</p>



<a name="246608230"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246608230" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246608230">(Jul 20 2021 at 15:37)</a>:</h4>
<p>I'm not sure of Mara's current status</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246608362" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246608362">(Jul 20 2021 at 15:38)</a>:</h4>
<p>lgtm, merged</p>



<a name="246608404"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246608404" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246608404">(Jul 20 2021 at 15:38)</a>:</h4>
<p><a href="https://github.com/rust-lang/edition-guide/pull/249">https://github.com/rust-lang/edition-guide/pull/249</a> is stll pending edits but is a bt less criticial</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246608420" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246608420">(Jul 20 2021 at 15:38)</a>:</h4>
<p><span class="user-mention" data-user-id="224872">@rylev</span> are there other bits of doc you see as blocking?</p>



<a name="246609473"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246609473" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> rylev <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246609473">(Jul 20 2021 at 15:46)</a>:</h4>
<p>It'd be nice to have <a href="https://github.com/rust-lang/edition-guide/pull/249">https://github.com/rust-lang/edition-guide/pull/249</a> merged but I don't think it's necessarily blocking</p>



<a name="246609737"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246609737" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Eric Huss <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246609737">(Jul 20 2021 at 15:48)</a>:</h4>
<p>I'm going to go ahead and post an update with what we have now.  I think people will just need to be prepared for some rough edges.</p>



<a name="246609781"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246609781" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> rylev <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246609781">(Jul 20 2021 at 15:48)</a>:</h4>
<p>I think we're more or less good to go. I guess we're waiting for tomorrow for the blog post then?</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246610001" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Eric Huss <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246610001">(Jul 20 2021 at 15:50)</a>:</h4>
<p>I can't promise it will land before midnight utc.  I'll try to get the next merge slot.</p>



<a name="246728966"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246728966" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Mara <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246728966">(Jul 21 2021 at 14:40)</a>:</h4>
<p><span class="user-mention silent" data-user-id="120518">Eric Huss</span> <a href="#narrow/stream/268952-edition-2021/topic/public.20testing/near/246608189">said</a>:</p>
<blockquote>
<p>Is Mara taking a break?</p>
</blockquote>
<p>yeah. i only told a few people, sorry. dealing with some heavy personal things. slowly getting back to rust and work and stuff now. might take a while before i'm back to full speed.</p>



<a name="246729069"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246729069" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Eric Huss <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246729069">(Jul 21 2021 at 14:41)</a>:</h4>
<p>No worries <span aria-label="heart" class="emoji emoji-2764" role="img" title="heart">:heart:</span></p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246773137" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Dirkjan Ochtman <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246773137">(Jul 21 2021 at 20:21)</a>:</h4>
<p>Exciting that this is happening! So far the upgrade process is a no-op for the workspaces I tried. I was wondering, for 2018 we had this fix --edition-idiom step that is not mentioned in the blog post (nor in the edition guide page on transitioning). Is that expected? Might be nice to quickly mention it somewhere for those people who remember the 2015-to-2018 transition?</p>



<a name="246773336"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246773336" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246773336">(Jul 21 2021 at 20:22)</a>:</h4>
<p>I don't think we have any idiom lints this year</p>



<a name="246773692"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246773692" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246773692">(Jul 21 2021 at 20:26)</a>:</h4>
<p>Documenting that is a good idea</p>



<a name="246776862"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/268952-edition%202021/topic/public%20testing/near/246776862" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Dirkjan Ochtman <a href="https://rust-lang.github.io/zulip_archive/stream/268952-edition-2021/topic/public.20testing.html#246776862">(Jul 21 2021 at 20:52)</a>:</h4>
<p>not quite sure where/how it should be documented</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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